dilipbiswal commented on a change in pull request #25331: [SPARK-27768][SQL]
Infinity, -Infinity, NaN should be recognized in a case insensitive manner.
URL: https://github.com/apache/spark/pull/25331#discussion_r312321365
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala
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@@ -562,8 +593,12 @@ case class Cast(child: Expression, dataType: DataType,
timeZoneId: Option[String
// FloatConverter
private[this] def castToFloat(from: DataType): Any => Any = from match {
case StringType =>
- buildCast[UTF8String](_, s => try s.toString.toFloat catch {
- case _: NumberFormatException => null
+ buildCast[UTF8String](_, s => {
+ val floatStr = s.toString
+ try floatStr.toFloat catch {
+ case _: NumberFormatException =>
Review comment:
@maropu Actually my input data didn't contain any of these special literals.
Basically i was testing with the condition when we don't hit the catch block.
Basically we are trying optimize for the best case ?
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